Influence of anthropogenous factors on quality of water of national park Braslau Lakes

. Fluctuations in concentrations of dissolved oxygen during the year correspond, as a rule, corresponded the natural course of the seasonal changes. However, there were fears caused by soil erosion processes during the spring thaw, heavy rains, runoff from livestock farms and municipal water discharges. In order to prevent the flow of various pollutant runoff from the watershed areas it should be organized on erosion-prone areas set of anti-erosion measures, cease the dumping of municipal sewage into the lake, to strengthen control over recreational areas.

anglais. In course of the research there were summarized Braslavskoe Poozerje&#039

. Hydrochemical state of Braslav Poozerje, according to the observations of 2012, was quite satisfactory. In the waters of the lakes mentioned fixed relatively low concentrations of nutrients, there was a relatively low content of organic matter, metals, detergents and petroleum products. Water quality of lakes of Braslav group was still characterized by the category of &#039

clean&#039

В работе приводится краткая информация об озерных экосистемах Браславского Поозерья, определены источники загрязнения поверхностных вод. Предложен ряд приемов по минимизации поступления загрязняющих источников в воды озер национального парка &#039

Браславские озера&#039

russe. s lake ecosystems, were defined sources of surface water pollution. There was offered a number of receptions on minimization of receipt of polluting sources in waters of lakes of the National Park &#039

Braslav Lakes&#039

.